Cryptology ePrint Archive: BibTeX Citation of Report 2010/287

@misc{cryptoeprint:2010:287,
    author = {Jacques Patarin},
    title = {Introduction to Mirror Theory: Analysis of Systems of Linear Equalities and Linear Non Equalities for Cryptography},
    howpublished = {Cryptology ePrint Archive, Report 2010/287},
    year = {2010},
    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.