The BFCA (film arm of Critics’ Choice) gave PROMETHEUS the above score.

About the BFCA:
The Broadcast Film Critics Association is the largest film critics organization in the United States and Canada, representing approximately 250 television, radio and online critics. Our collective membership is the primary source of information for today’s entertainment consumers. The very first opinion a moviegoer hears about new releases at the multiplex or the art house usually comes from one of our members.

The BFCA also selects a Film of the Month and officially recommends other worthy films throughout the course of the year. As an additional service to moviegoers, each film is given a Critics’ Choice Rating (on a 1-10 scale, 10 being the highest), based on the cumulative grades each film receives in the monthly balloting. More information on these ratings is available in the New Movies area . The BFCA is led by its President and Board of Directors. Joey Berlin is currently serving as President. The Board of Directors are John De Simio, Jim Ferguson, Mark Ramsey and Sara Voorhees.

More from the About section here: http://bfca.org/about.php