%% You should probably cite draft-ietf-opsawg-vpn-common instead of this I-D.
@techreport{bgbw-opsawg-vpn-common-00,
    number =    {draft-bgbw-opsawg-vpn-common-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-bgbw-opsawg-vpn-common/00/},
    author =    {Samier Barguil and Oscar Gonzalez de Dios and Mohamed Boucadair and Qin Wu},
    title =     {{A Layer 2/3 VPN Common YANG Model}},
    pagetotal = 34,
    year =      2020,
    month =     jul,
    day =       13,
    abstract =  {This document defines a common YANG module that is meant to be reused by various VPN-related modules such as Layer 3 VPN Service Model, Layer 2 VPN Service Model, Layer 3 VPN Network Model, and Layer 2 VPN Network Model.},
}