%% You should probably cite rfc5609 instead of this I-D.
@techreport{ietf-pana-statemachine-13,
    number =    {draft-ietf-pana-statemachine-13},
    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-pana-statemachine/13/},
    author =    {Rafael Marin-Lopez and Victor Fajardo and Yoshihiro Ohba},
    title =     {{State Machines for the Protocol for Carrying Authentication for Network Access (PANA)}},
    pagetotal = 30,
    year =      2009,
    month =     apr,
    day =       23,
    abstract =  {This document defines the conceptual state machines for the Protocol for Carrying Authentication for Network Access (PANA). The state machines consist of the PANA Client (PaC) state machine and the PANA Authentication Agent (PAA) state machine. The two state machines show how PANA can interface with the Extensible Authentication Protocol (EAP) state machines. The state machines and associated models are informative only. Implementations may achieve the same results using different methods. This memo provides information for the Internet community.},
}