The Japanese automaker has finally released the 0 to 60 acceleration time for the 2012 Nissan GT-R and it looks like Godzilla has gotten alot quicker.
And by alot we mean 0.5 seconds faster that the previous 485 HP generation, as the 2012 Nissan GT-R which uses a 530 HP twin turbo V6, now takes 3.0 seconds flat to accelerate from 0 to 60 mph. 
The 2012 Nissan GT-R 0 to 60 acceleration time was measured at the Sendai Hi-land Race Way on November 12th and 13th on Sunny/Cloudy weather, with temperatures ranging between 15 and 19 degrees Celsius.
The vehicle that was used was the 2012 Nissan GT-R Pure edition which means standard wheels and tyres without any optional features, with the Vehicle Dynamic Control system set in R model.
Nissan press release :
Nissan Announces 11MY Nissan GT-R’s Acceleration Time
YOKOHAMA Japan (December 1, 2010) – Nissan Motor Co., Ltd. today announced the 0-100km/h acceleration time for the 11MY Nissan GT-R.
The acceleration time was measured during the media test ride event held at the Sendai Hi-land Race Way on November 12th, Friday and 13th, Saturday. On both days, the GT-R clocked in with a time of 3.0 seconds.
Date:      November 12th, Friday and 13th, Saturday, 2010
Place:     Sendai Hi-land Race Way (12 Nikkawa Hayasaka, Aoba-ku, Sendai City, Miyagi Prefecture)
Vehicle used:                             11MY Nissan GT-R Pure edition
Specification/accessories:            Standard specification (including tires and wheels) without optional parts
Set-up switch:                            R mode for the suspension and VDC-R
Nov. 12 (Fri.)     Nov. 12 (Fri.)
0-100km/h acceleration time       3.0 seconds     3.0 seconds
Weather:                                   Sunny/Cloudy     Sunny/Cloudy
Temperature                              14.9°C     18.6°C

Source: Nissan