Cryptology ePrint Archive: BibTeX Citation of Report 2013/645

@misc{cryptoeprint:2013:645,
    author = {Ertem Esiner and Adilet Kachkeev and Samuel Braunfeld and Alptekin K\"up\c{c}\"u and \"Oznur \"Ozkasap},
    title = {FlexDPDP: FlexList-based Optimized Dynamic Provable Data Possession},
    howpublished = {Cryptology ePrint Archive, Report 2013/645},
    year = {2013},
    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.