%% You should probably cite rfc9013 instead of this I-D.
@techreport{ietf-ospf-encapsulation-cap-08,
    number =    {draft-ietf-ospf-encapsulation-cap-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-ietf-ospf-encapsulation-cap/08/},
    author =    {Xiaohu Xu and Bruno Decraene and Robert Raszuk and Luis M. Contreras and Luay Jalil},
    title =     {{The Tunnel Encapsulations OSPF Router Information}},
    pagetotal = 10,
    year =      2017,
    month =     sep,
    day =       18,
    abstract =  {Networks use tunnels for a variety of reasons. A large variety of tunnel types are defined and the tunnel encapsulator router needs to select a type of tunnel which is supported by the tunnel decapsulator router. This document defines how to advertise, in OSPF Router Information Link State Advertisement (LSAs), the list of tunnel encapsulations supported by the tunnel decapsulator.},
}