Learn something from his page, I think he still is the head of the bass dept. at Berklee.
http://www.brucegertz.com
Anything straight ahead and bebop or fast swing should get you in no problem, but then again I was there a long time ago.
To be honest they really want your cash more than worrying about you being a great player.
Work on your chart reading though, that will be pretty much what you'll be doing once you're there.
Good luck,
Dirk