The bibtex format is not standardised, this parser follows the descriptions found here. Please file any issues with a minimal working example.
To get:
go get -u github.com/nickng/bibtex/...
This will also install prettybib, a bibtex pretty printer.
To parse and pretty print a bibtex file, for example:
cd $GOPATH/src/github.com/nickng/bibtex
prettybib -in example/simple.bib