Cryptology ePrint Archive: BibTeX Citation of Report 2009/155

@misc{cryptoeprint:2009:155,
    author = {Christophe Arene and Tanja Lange and Michael Naehrig and Christophe Ritzenthaler},
    title = {Faster Computation of the Tate Pairing},
    howpublished = {Cryptology ePrint Archive, Report 2009/155},
    year = {2009},
    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.