@InBook{Riv90a, author = { Ronald L. Rivest }, editor = { J. Van Leeuwen }, title = { Cryptography }, booktitle = { Handbook of Theoretical Computer Science }, chapter = { 13 }, publisher = { Elsevier }, ALTyear = { 1990 }, date = { 1990 }, pages = { 717--755 }, volume = { 1 }, OPTnote = { Posted pdf has 'cryptology' rather than 'cryptography' as the title, but is otherwise the same as what was published in book. }, }