Cryptology ePrint Archive: BibTeX Citation of Report 2012/069

@misc{cryptoeprint:2012:069,
    author = {Charles Bouillaguet and Patrick Derbez and Pierre-Alain Fouque},
    title = {Automatic Search of Attacks on round-reduced AES and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2012/069},
    year = {2012},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.