Owing to the fact that a Living Reviews in Relativity article may evolve over time, we recommend to cite the article as follows:
Geoffrey Compère,
"The Kerr/CFT Correspondence and its Extensions",
Living Rev. Relativity 15, (2012), 11. URL (accessed <date>):
http://www.livingreviews.org/lrr-2012-11
The date given as <date> then uniquely identifies the version of the article you are referring to.