Cryptology ePrint Archive: BibTeX Citation of Report 2012/110

@misc{cryptoeprint:2012:110,
    author = {Razvan Barbulescu and Jérémie Detrey and Nicolas Estibals and Paul Zimmermann},
    title = {Finding Optimal Formulae for Bilinear Maps},
    howpublished = {Cryptology ePrint Archive, Report 2012/110},
    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.