It is written by shadaksharadeva of 17 C. The book narrates the life story of Basavanna and ther sharanas.
The book is written in champu style and it is the last of the champu tradition started by pampa.
source:
1. Virashaiva puranas by Dr. prabhushankara
2. kavicharite by ram shri Mugali
3. Source: http://books.google.com/books?id=zB4n3MVozbUC&pg=PA1182&lpg=PA1182&dq=Basavarajavijaya&source=bl&ots=OA4VY-Vn3S&sig=WSyDTanDLlWr3Ug69PDkglI02pQ&hl=en&ei=zfNrTLfHOZGqcdm4jNgG&sa=X&oi=book_result&ct=result&resnum=3&ved=0CBgQ6AEwAg#v=onepage&q=Basavarajavijaya&f=false