@misc{cryptoeprint:2018:1176,
    author = {Olivier Blazy and Paul Germouty and Duong Hieu Phan},
    title = {Downgradable Identity-based Encryption and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2018/1176},
    year = {2018},
    url = {https://eprint.iacr.org/2018/1176},
}