Hovav Shacham. The BBG HIBE Has Limited Delegation. IACR Cryptology ePrint Archive, 2007:201, 2007. [doi]
@article{Shacham07a, title = {The BBG HIBE Has Limited Delegation}, author = {Hovav Shacham}, year = {2007}, url = {http://eprint.iacr.org/2007/201}, researchr = {https://researchr.org/publication/Shacham07a}, cites = {0}, citedby = {0}, journal = {IACR Cryptology ePrint Archive}, volume = {2007}, pages = {201}, }