Cryptology ePrint Archive: BibTeX Citation of Report 2015/278

@misc{cryptoeprint:2015:278,
    author = {Sébastien Canard and David Pointcheval and Olivier Sanders},
    title = {Efficient Delegation of Zero-Knowledge Proofs of Knowledge in a Pairing-Friendly Setting},
    howpublished = {Cryptology ePrint Archive, Report 2015/278},
    year = {2015},
    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.