%% You should probably cite rfc1968 instead of this I-D. @techreport{ietf-pppext-encryption-04, number = {draft-ietf-pppext-encryption-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-ietf-pppext-encryption/04/}, author = {Dr. Gerry Meyer}, title = {{The PPP Encryption Control Protocol (ECP)}}, pagetotal = 11, year = 1995, month = may, day = 31, abstract = {This document defines a method for negotiating data encryption over PPP links. {[}STANDARDS-TRACK{]}}, }