Cryptology ePrint Archive: BibTeX Citation of Report 2011/056

@misc{cryptoeprint:2011:056,
    author = {Amine Dehbaoui and Sébastien Tiran and Philippe Maurine and François-Xavier Standaert and Nicolas Veyrat-Charvillon},
    title = {Spectral Coherence Analysis  - First Experimental Results - },
    howpublished = {Cryptology ePrint Archive, Report 2011/056},
    year = {2011},
    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.