Cryptology ePrint Archive: BibTeX Citation of Report 2015/060

@misc{cryptoeprint:2015:060,
    author = {Gilles Barthe and Sonia Belaïd and François Dupressoir and Pierre-Alain Fouque and Benjamin Grégoire and Pierre-Yves Strub},
    title = {Verified Proofs of Higher-Order Masking},
    howpublished = {Cryptology ePrint Archive, Report 2015/060},
    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.