Cryptology ePrint Archive: BibTeX Citation of Report 2008/021

@misc{cryptoeprint:2008:021,
    author = {Matthieu Rivain, Emmanuelle Dottax, Emmanuel Prouff},
    title = {Block Ciphers Implementations Provably Secure Against Second Order Side Channel Analysis},
    howpublished = {Cryptology ePrint Archive, Report 2008/021},
    year = {2008},
    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.