Yes, there is. It's on pastebin.
They need to say why the evidence is false.
According to this blog, several organizations aggregate said information[1] so it's possible that one of them was hacked. I wouldn't expect AntiSec to frame the FBI, but then again they're not exactly buddy-buddy.
[1]http://corte.si/posts/security/apple-udid-survey/index.html
The connection between a given explanation and any evidence is a probabilistic inference (Bayes Rule actually). You always have to weigh the likelihood of the evidence occurring due to other reasons, be it accident or fraud.
Considering that a number of folks with large UDID lists have stated they've found intersections, it seems the data itself is the real deal.
The only thing that's left is to debate the likelyhood of how they got it.
At the moment the burden is on the FBI. It'll take time to find the truth. Even if the FBI release was written in good faith, they're a large organization, and it takes time to figure out what's going on.
Or they targeted him because he was publicly known.