%% You should probably cite rfc1938 instead of this I-D. @techreport{haller-otp-04, number = {draft-haller-otp-04}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-haller-otp/04/}, author = {Neil M. Haller and Craig Metz}, title = {{A One-Time Password System}}, pagetotal = 18, year = 1995, month = oct, day = 23, abstract = {This document describes a one-time password authentication system (OTP). {[}STANDARDS-TRACK{]}}, }