%% You should probably cite rfc7298 instead of this I-D. @techreport{ovsienko-babel-hmac-authentication-06, number = {draft-ovsienko-babel-hmac-authentication-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ovsienko-babel-hmac-authentication/06/}, author = {Denis Ovsienko}, title = {{Babel HMAC Cryptographic Authentication}}, pagetotal = 53, year = 2013, month = nov, day = 19, abstract = {This document describes a cryptographic authentication mechanism for Babel routing protocol, updating, but not superseding RFC 6126. The mechanism allocates two new TLV types for the authentication data, uses HMAC and is both optional and backward compatible.}, }