@misc{cryptoeprint:2007:211,
    author = {Chunbo Ma, Jun Ao, and Jianhua Li},
    title = {Scalable Storage Scheme from Forward Key Rotation},
    howpublished = {Cryptology ePrint Archive, Report 2007/211},
    year = {2007},
    url = {http://eprint.iacr.org/2007/211},
}