According to the official twitter, light novel Boku wa Tomodachi ga Sukunai was announced to be getting a TV anime adaptation.

Key illustration of Haganai anime

Cast
Hasegawa Todaka: Kimura Ryohei
Mikazuki Yozora: Inoue Marina
Kashiwazaki Sena: Ito Kanae
Kusunoki Yukimura: Yamamoto Nozomi
Shiguma Rika: Fukuen Misato
Hasegawa Kobato: Hanazawa Kana
Takayama Maria: Iguchi Yuka

A manga adaptation has been serialized in Comic Alive since March 2010. A parallel story manga "Boku wa Tomodachi ga Sukunai +" featuring Sena has been serialized in Jump SQ.19 since November 2010.

Sources: Haganai official twitter, Comic Alive

Update June 15th
Staff
Director: Saito Hisashi
Scenario: Urahata Tatsuhiko
Character Design & Animation Director: Watanabe Yoshihiro
Music: Tom-H@ck ("K-ON!!", "Seikon no Qwaser")
Production Studio: AIC Build

Source: Media Factory

Boku wa Tomodachi ga Sukunai on MAL