Cryptology ePrint Archive: BibTeX Citation of Report 2014/089

@misc{cryptoeprint:2014:089,
    author = {Anne Canteaut and Thomas Fuhr and Henri Gilbert and María Naya-Plasencia and Jean-René Reinhard},
    title = {Multiple Differential Cryptanalysis of Round-Reduced PRINCE (Full version)},
    howpublished = {Cryptology ePrint Archive, Report 2014/089},
    year = {2014},
    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.