It hasn't been added to their website yet, but I did find a
link to the paper and in
PDF format.
Some of what they're saying does fit with what I know to be true, so after reading, I came across this:
Before proceeding, it is useful to clarify our definition of bias. Most important, the definition has nothing to do with the honesty or accuracy of the news outlet. Instead, our notion is more like a taste or preference. For instance, we estimate that the centrist U.S. voter during the late 1990s had a left-right ideology approximately equal to that of Arlen Specter (R-Pa.) or Sam Nunn (D-Ga.). Meanwhile, we estimate that the average New York Times article is ideologically very similar to the average speech by Joe Lieberman (D-Ct.). Next, since vote scores show Lieberman to be more liberal than Specter or Nunn, our method concludes that the New York Times has a liberal bias.
Here are their results, mapped out:
CLICK ON THE IMAGE TO EXPAND IT TO NORMAL SIZE 
Columbus Townhall > Forum > Politics > MediaWatch! (Moderators: Peter, CTH Public Relations)
Topic: Media Bias Is Real, Finds UCLA Political Scientist
