http://www.wired.co.uk/news/archive/2013-05/28/password-cracking/viewall
It's probably not a good idea to use pop culture-, gaming- or internet-related passwords on a site like this, so you may want to change your password. "theansweris42" and "arrowtotheknee", for example, aren't a good idea.
Here's the tl;dr for the lazy/busy/tired:
I'd make it more than 11 characters long. A few extra characters more than 11 aren't going to tax your brain and fingers all that much ... The Bethesda forums allow 26 ...