Cryptology ePrint Archive: BibTeX Citation of Report 2010/157

@misc{cryptoeprint:2010:157,
    author = {Antoine Joux and Vanessa Vitse},
    title = {Elliptic Curve Discrete Logarithm Problem over Small Degree Extension Fields. Application to the static Diffie-Hellman problem on $E(\F_{q^5})$},
    howpublished = {Cryptology ePrint Archive, Report 2010/157},
    year = {2010},
    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.