DUBLINO, 20 giugno (Reuters) - Ireland sold 500 million euros of three-month treasury bills as planned on Thursday at a yield of 0.2 percent, up from a yield of 0.13 percent at a similar auction last month. The auction received 2.9 times more bids than needed to complete the auction, the National Treasury Management Agency (NTMA) said. T-BILLS MATURING SEPT. 23 2013 20/06/2013 16/05/2013(*) SALE AMOUNT 500 mln eur 500 mln eur BID-TO-COVER 2.9 3.6 AVERAGE YIELD 0.20 0.13 (*) Compares with T bills maturing Aug 19, 2013 Sul sito www.reuters.it altre notizie Reuters in italiano. Le top news anche su www.twitter.com/reuters_italia