@misc{cryptoeprint:2013:495,
    author = {Le Su and Hoon Wei Lim and San Ling and Huaxiong Wang},
    title = {Revocable IBE Systems with Almost Constant-size Key Update},
    howpublished = {Cryptology ePrint Archive, Report 2013/495},
    year = {2013},
    url = {https://eprint.iacr.org/2013/495},
}