@misc{cryptoeprint:2020:1087,
    author = {Keita Emura and Atsushi Takayasu and Yohei Watanabe},
    title = {Efficient Identity-Based Encryption with Hierarchical Key-Insulation from HIBE},
    howpublished = {Cryptology ePrint Archive, Report 2020/1087},
    year = {2020},
    url = {https://eprint.iacr.org/2020/1087},
}