Cryptology ePrint Archive: BibTeX Citation of Report 2011/706

@misc{cryptoeprint:2011:706,
    author = {Johannes Blömer and Peter Günther and Gennadij Liske},
    title = {Improved Side Channel Attacks on Pairing Based Cryptography},
    howpublished = {Cryptology ePrint Archive, Report 2011/706},
    year = {2011},
    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.