Going to be unveiled at the Paris Motor Show:
Endurance-Info said: A new constructor landed in GT3 in 2013, with the arrival of Bentley Continental GT via. British brand joins the already well-stocked cars of the GT3 category. Continental GT3 will be unveiled at the Paris Motor Show. We do not yet know the intentions of Bentley on the program of the newcomer, but it is clear that we can not wait to see the Blancpain Endurance Series and the various national championships.
http://www.endurance-info.com/version2/news-detail.php?VARnewsID=13542