Cryptology ePrint Archive: BibTeX Citation of Report 2015/085

@misc{cryptoeprint:2015:085,
    author = {Anne Canteaut and Joëlle Roué},
    title = {On the behaviors of affine equivalent Sboxes regarding differential and linear attacks},
    howpublished = {Cryptology ePrint Archive, Report 2015/085},
    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.