Cryptology ePrint Archive: BibTeX Citation of Report 2013/281

@misc{cryptoeprint:2013:281,
    author = {Carlos Aguilar-Melchor and Slim Bettaieb and Xavier Boyen and Laurent Fousse and Philippe Gaborit},
    title = {Adapting Lyubashevsky’s Signature Schemes to the Ring Signature Setting},
    howpublished = {Cryptology ePrint Archive, Report 2013/281},
    year = {2013},
    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.