%% You should probably cite rfc7615 instead of this I-D. @techreport{ietf-httpbis-auth-info-00, number = {draft-ietf-httpbis-auth-info-00}, 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-httpbis-auth-info/00/}, author = {Julian Reschke}, title = {{The Hypertext Transfer Protocol (HTTP) Authentication-Info and Proxy- Authentication-Info Response Header Fields}}, pagetotal = 6, year = 2015, month = feb, day = 2, abstract = {This specification defines the "Authentication-Info" and "Proxy- Authentication-Info" response header fields for use in HTTP authentication schemes which need to return additional information during or after authentication.}, }