@misc{cryptoeprint:2012:520,
    author = {Miroslaw Kutylowski and Maciej Gebala},
    title = {Optimizing Segment Based Document Protection (Corrected Version)},
    howpublished = {Cryptology ePrint Archive, Report 2012/520},
    year = {2012},
    url = {http://eprint.iacr.org/2012/520},
}