Cryptology ePrint Archive: BibTeX Citation of Report 2015/645

@misc{cryptoeprint:2015:645,
    author = {Cl\'{e}mentine Gritti, Willy Susilo, Thomas Plantard and Rongmao Chen},
    title = {Improvements on Efficient Dynamic Provable Data Possession scheme with Public Verifiability and Data Privacy},
    howpublished = {Cryptology ePrint Archive, Report 2015/645},
    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.