Cryptology ePrint Archive: BibTeX Citation of Report 2012/519

@misc{cryptoeprint:2012:519,
    author = {Diego F. Aranha and Armando Faz-Hernández and Julio López and Francisco Rodríguez-Henríquez},
    title = {Faster implementation of scalar multiplication on Koblitz curves},
    howpublished = {Cryptology ePrint Archive, Report 2012/519},
    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.