@book{20604,
	author = {Workshop on "Practice and theory in Public Key Cryptosystems", Cheju Island, Korea, February 13-15, 2001 and Kim, Kwangjo ; ed.},
	title = {Public key cryptography; proceedings of the 4th international workshop},
	publisher = {Springer-Verlag},
	year = {2001},
	address = {Berlin}
}