@misc{cryptoeprint:2006:245, author = {K. Phani Kumar and G. Shailaja and Ashutosh Saxena}, title = {Secure and Efficient Threshold Key Issuing Protocol for ID-based Cryptosystems}, howpublished = {Cryptology ePrint Archive, Report 2006/245}, year = {2006}, url = {http://eprint.iacr.org/2006/245}, }