The link I provided to you is to the site you would download vBadvanced from.
Simply go here:
http://www.vbadvanced.com/products.p...fo&productid=4
Click [Download / Additional Services],
follow instructions, on the
Download Options page, click the dropdown and select
3.2.3 (vB 3.6 - vB 3.8) - Released 01-26-2012. This will be the one you need to work with your current version of vbulletin.
Good luck.