%% You should probably cite rfc6617 instead of this I-D. @techreport{harkins-ipsecme-spsk-auth-08, number = {draft-harkins-ipsecme-spsk-auth-08}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-harkins-ipsecme-spsk-auth/08/}, author = {Dan Harkins}, title = {{Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE)}}, pagetotal = 24, year = 2012, month = mar, day = 26, abstract = {This memo describes a secure pre-shared key (PSK) authentication method for the Internet Key Exchange Protocol (IKE). It is resistant to dictionary attack and retains security even when used with weak pre-shared keys. This document defines an Experimental Protocol for the Internet community.}, }