It's been quite hard to find information about the re-analysis. It looks like there was a press-release in May last year where the pingers were identified after a re-analysis of the Emeraude towed-array sonar tapes:
Sadly, there are no references to source material, and a quick search through the BEA at http://www.bea.aero/ (the French aviation accident investigation agency) didn't provide immediate satisfaction, alas.
http://www.businessweek.com/news/2010-05-06/air-france-crash...
http://www.nytimes.com/2010/05/07/world/europe/07crash.html?...
Sadly, there are no references to source material, and a quick search through the BEA at http://www.bea.aero/ (the French aviation accident investigation agency) didn't provide immediate satisfaction, alas.